Imagine your brain, but way better at remembering things! Right now, your computer has two kinds of memory. One is super-fast but forgets everything when you turn it off – like a scratchpad that gets wiped clean. The other remembers everything forever, like a diary, but it's a bit slower to write in. This makes your computer slow down sometimes, or use a lot of battery.
This patent, called Memories with Metal-ferroelectric-semiconductor (mfs) Transistors, is like giving your computer a new kind of brain cell. It uses tiny special switches called 'MFS transistors'. These switches are magical because they can be super-fast and remember things even when the power is off! 🎉
How does it work? Think of each MFS transistor as a tiny magnet that can point 'up' or 'down'. 'Up' means 1, 'down' means 0. To write a memory, the computer sends a special electric push (a 'voltage') that makes the magnet flip either up or down. To read it, it gives a gentle nudge to see which way the magnet is pointing without moving it. And the cool part is, it stays pointing that way even when the power is gone!
So, this invention is like teaching the computer a super clever way to push and nudge these tiny MFS magnets. It uses two 'lanes' (source lines) and a 'gatekeeper' (access transistor) to make sure it only pushes the right magnet at the right time. This means your computer could turn on instantly, your phone battery could last way longer, and everything would feel much snappier because the memory is both fast and forget-me-not! It's super cool future tech!
The patent Memories with Metal-ferroelectric-semiconductor (mfs) Transistors (US-9852785) introduces a novel and efficient method for operating memory cells that incorporate Metal-Ferroelectric-Semiconductor (MFS) transistors. Its core innovation lies in a precise control scheme for read and write operations on these advanced transistors, which are designed to store data non-volatility.
The primary problem this invention addresses is the inherent trade-off in existing memory technologies between speed, power consumption, and data persistence. Traditional volatile memories (like DRAM) are fast but require constant power, while non-volatile memories (like Flash) retain data without power but are typically slower and have limited endurance. This patent seeks to bridge this gap by enabling memory that is both fast and non-volatile.
The key technical approach involves applying specific first and second voltages to the source lines of a memory, coupled with turning on an access transistor for a target memory cell. This precise voltage and transistor control allows for the reliable performance of either a write operation (to set the polarization state of the MFS transistor, representing a data bit) or a read operation (to sense the existing polarization state). This method ensures robust and efficient manipulation of the ferroelectric material within the MFS transistor, which is critical for stable data storage and retrieval.
From a business perspective, this technology offers significant value. It has the potential to enable a new generation of memory devices that combine high performance with low power consumption and inherent non-volatility. This translates to products with instant-on capabilities, extended battery life, and enhanced data integrity. Potential applications span across various industries, including mobile computing, IoT devices, automotive electronics, and data centers, where the demand for efficient, persistent memory is rapidly growing.
The market opportunity for this innovation is substantial, as it addresses a fundamental need for 'universal memory' solutions. Companies that can leverage this MFS transistor technology could gain a significant competitive advantage by offering memory products that outperform current DRAM and Flash alternatives in critical metrics. This patent lays a foundational framework for developing next-generation memory architectures that are more efficient, reliable, and capable of supporting future computing paradigms.
For business professionals, understanding the core innovation behind Memories with Metal-ferroelectric-semiconductor (mfs) Transistors (US-9852785) is crucial, not for its deep technical specifics, but for its profound implications on product development, market strategy, and competitive advantage. This patent describes a foundational method for operating a new type of memory that could redefine device performance and energy efficiency.
1. What Problem Does This Solve? Today's digital devices face a fundamental dilemma with memory. We have two main types: DRAM (Dynamic Random-Access Memory) is incredibly fast but volatile, meaning it forgets everything the moment power is cut – like a whiteboard that needs constant rewriting to keep data. Then there's Flash memory (used in SSDs and USB drives), which is non-volatile, remembering data without power, but it's significantly slower and has a limited lifespan for writes. This forces device manufacturers to compromise: either you get speed and power consumption, or persistence and slower performance. This trade-off impacts everything from your smartphone's battery life to the boot-up time of your laptop and the energy consumption of data centers. The market is desperately seeking a 'universal memory' that offers the best of both worlds.
2. How Does It Work? This patent introduces a method for harnessing Metal-Ferroelectric-Semiconductor (MFS) transistors. Think of an MFS transistor as a tiny, highly efficient switch that can not only turn on or off but also 'remember' its state even when the power is off. This 'memory' capability comes from a special material within the transistor that can hold a polarization, much like a tiny magnet can point North or South. To 'write' data (store a 0 or 1), the system applies specific electrical signals (voltages) that 'flip' this internal polarization. To 'read' data, it sends a gentle signal to sense which way the polarization is pointing, without disturbing it. The innovation here isn't just the MFS transistor itself, but the clever, precise sequence of electrical signals and controls (involving multiple 'source lines' and an 'access transistor') that ensure these read and write operations are reliable, fast, and energy-efficient. It's akin to having a highly skilled conductor orchestrating a complex symphony of electrical pulses to flawlessly store and retrieve data.
3. Why Does This Matter? This technology matters because it offers a pathway to fundamentally overcome the memory dilemma. If successfully commercialized, it could lead to:
4. What's Next? Looking ahead, the commercialization of this MFS transistor technology will likely involve further material science refinements and robust manufacturing processes. We can expect to see initial adoption in high-value, niche markets that prioritize performance and low power, such as specialized embedded systems or automotive applications. As the technology matures, it could become a mainstream component in consumer electronics and data center infrastructure, potentially reshaping how we build and interact with digital devices within the next 5-10 years. Investment in companies pursuing this or similar universal memory solutions could yield substantial long-term returns.
A method includes applying a first voltage to a first source line of a memory, applying a second voltage to a second source line of the memory, turning on an access transistor of a memory cell of the memory, and performing one of a write operation or a read operation on a metal-ferroelectric-semiconductor (MFS) transistor of the memory cell. Memories on which the method is performed are also disclosed.
The patent Memories with Metal-ferroelectric-semiconductor (mfs) Transistors (US-9852785) presents a sophisticated method for operating memory cells built around Metal-Ferroelectric-Semiconductor (MFS) transistors. This technical analysis delves into the architecture, implementation specifics, and performance implications of this innovative approach, targeting engineers and semiconductor architects.
Technical Architecture and Core Component: At the heart of this invention is the memory cell, which primarily comprises a Metal-Ferroelectric-Semiconductor (MFS) transistor and an associated access transistor. The MFS transistor is a field-effect transistor where the gate dielectric stack includes a ferroelectric material. This ferroelectric layer exhibits two stable polarization states (e.g., positive or negative remanent polarization) that can be switched by an applied electric field and persist without continuous power, thus providing non-volatile data storage. The access transistor, typically a standard MOSFET, acts as a switch, controlling access to the MFS transistor within the memory cell and isolating it from other cells in a larger array.
Implementation Details and Algorithm Specifics: The patented method describes a sequence of operations for both writing and reading data to/from an MFS memory cell:
Integration Patterns: This MFS transistor memory can be integrated into larger memory arrays, similar to conventional DRAM or Flash. The memory cells would be arranged in rows and columns, with word lines controlling the access transistors and bit lines connected to the MFS transistor's source/drain terminals for read/write operations. The specific first and second source lines mentioned in the patent suggest a more complex biasing scheme than a simple ground or Vdd connection, potentially to optimize fields for switching or sensing.
Performance Characteristics: This approach aims to deliver several performance benefits:
Code-Level Implications: While this patent is at the device and circuit level, its implications for software and firmware are significant. Operating systems and applications could be designed to leverage instant-on capabilities and persistent memory regions. Memory management units (MMUs) and caching algorithms would need to be optimized to take full advantage of the non-volatile, high-speed characteristics of this MFS memory. Drivers and firmware would implement the voltage sequencing and access transistor control logic as described, ensuring reliable communication with the MFS memory array. This would involve precise timing and voltage control registers, potentially managed by a memory controller ASIC.
The patent Memories with Metal-ferroelectric-semiconductor (mfs) Transistors (US-9852785) introduces a groundbreaking method for operating memory cells that utilize Metal-Ferroelectric-Semiconductor (MFS) transistors. This innovation carries significant business implications, poised to disrupt existing memory markets and create new opportunities across diverse industries.
Market Opportunity Size: The global memory market is a multi-billion dollar industry, with DRAM and NAND Flash dominating. However, the continuous demand for 'universal memory'—combining the speed of DRAM with the non-volatility of Flash—highlights a substantial unmet need. This patent directly addresses this gap. The market for non-volatile RAM (NVRAM) is projected to grow significantly, especially in segments like IoT, edge AI, automotive, and enterprise storage. If MFS transistor technology can deliver on its promise of high-speed, non-volatile, and energy-efficient memory, it could capture a significant share of this expanding market, potentially valued in the tens of billions of dollars annually, by displacing or complementing existing technologies.
Competitive Advantages: This invention offers several distinct competitive advantages:
Revenue Potential: Revenue potential for MFS transistor technology could stem from several avenues:
Business Models: Potential business models include:
Strategic Positioning: Companies that adopt this MFS transistor technology could strategically position themselves as leaders in next-generation memory solutions. This could lead to differentiation in highly competitive markets by offering superior performance, power efficiency, and reliability. It also provides a hedge against the scaling limitations and increasing costs of existing memory technologies. Partnerships with device manufacturers (e.g., smartphone, laptop, server vendors) would be crucial for market penetration and establishing this as a new industry standard.
ROI Projections: While specific ROI projections require detailed financial modeling, the potential for significant returns is high. Early adoption in high-value segments (e.g., enterprise SSDs, specialized AI accelerators) could generate substantial revenue. The long-term ROI would be driven by widespread adoption in mainstream computing, fueled by the inherent advantages of MFS memory. Reduced power consumption translates directly to lower operating costs for data centers, while improved device performance and battery life drive consumer demand. Investment in this technology could yield substantial returns by capturing a significant share of the evolving memory market and enabling new product categories.
Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. A memory comprising: a memory cell including a pair of metal-ferroelectric-semiconductor (MFS) transistors and an access transistor; and a read-write circuit coupled to the memory cell, and configured to turn on the access transistor and to perform one of a read operation or a write operation on one of the MFS transistors in response to a command, wherein the memory cell is configured to perform a read operation on a first one of the MFS transistors when a negative voltage is applied to a gate terminal of a second one of the MFS transistors.
A memory device contains a memory cell consisting of two metal-ferroelectric-semiconductor (MFS) transistors and an access transistor. A read-write circuit, connected to the memory cell, activates the access transistor and performs either a read or write operation on one of the MFS transistors based on a command. During a read operation, if a negative voltage is applied to the gate of one MFS transistor, the other MFS transistor is read.
2. The memory of claim 1 , wherein the access transistor is one of an MFS transistor or a metaloxide-semiconductor (MOS) transistor.
The memory described above, containing a memory cell with two MFS transistors and an access transistor, where the access transistor is either an MFS transistor or a metal-oxide-semiconductor (MOS) transistor. A read-write circuit controls the access transistor and performs read/write operations on the MFS transistors, and a read operation is performed on one MFS transistor when a negative voltage is applied to the gate of the other.
3. The memory of claim 1 , further comprising a source line coupling the MFS transistors.
The memory described above, containing a memory cell with two MFS transistors and an access transistor, and read/write circuitry, further includes a source line connecting the MFS transistors. The read-write circuit controls the access transistor and performs read/write operations on the MFS transistors, and a read operation is performed on one MFS transistor when a negative voltage is applied to the gate of the other.
4. The memory of claim 1 , further comprising a local bit line coupling the MFS transistors and the access transistor.
The memory described above, containing a memory cell with two MFS transistors and an access transistor, and read/write circuitry, further includes a local bit line connecting the MFS transistors and the access transistor. The read-write circuit controls the access transistor and performs read/write operations on the MFS transistors, and a read operation is performed on one MFS transistor when a negative voltage is applied to the gate of the other.
5. The memory of claim 1 , further comprising a refresh circuit coupled to the read-write circuit and configured to generate a refresh command, wherein the read-write circuit is further configured to read data from the memory cell and to write the data read thereby back to the memory cell in response to the refresh command.
The memory described above, containing a memory cell with two MFS transistors and an access transistor, and read/write circuitry, also contains a refresh circuit connected to the read-write circuit. This refresh circuit generates a refresh command. The read-write circuit then reads data from the memory cell and immediately writes the same data back into the memory cell in response to this refresh command, effectively refreshing the memory cell's contents. The read-write circuit controls the access transistor and performs read/write operations on the MFS transistors, and a read operation is performed on one MFS transistor when a negative voltage is applied to the gate of the other.
6. A method comprising: applying a first voltage to a first source line of a memory; applying a second voltage to a second source line of the memory; applying the second voltage to a gate terminal of a second metal-ferroelectric-semiconductor (MFS) transistor of a memory cell of the memory; turning on an access transistor of the memory cell of the memory; performing a write operation on a first metal-ferroelectric-semiconductor (MFS) transistor of the memory cell; and performing a read operation on a first one of the MFS transistors when a negative voltage is applied to a gate terminal of a second one of the MFS transistors.
A method for operating a memory involves applying a first voltage to a first source line and a second voltage to a second source line of the memory. The second voltage is also applied to the gate terminal of a second metal-ferroelectric-semiconductor (MFS) transistor within a memory cell. An access transistor in the memory cell is turned on, enabling a write operation to be performed on the first MFS transistor. During a read operation, a negative voltage applied to the gate of the second MFS transistor triggers the read operation on the first MFS transistor.
7. The method of claim 6 , further comprising turning on an access transistor of a second memory cell of the memory.
The method of operating a memory as described above, which includes applying voltages to source lines and performing read/write operations on MFS transistors in a memory cell by controlling an access transistor, also involves turning on an access transistor of a second, distinct memory cell within the same memory.
8. The method of claim 7 , wherein the second voltage is greater than the first voltage.
In the method for operating a memory, which involves applying voltages to source lines and performing read/write operations on MFS transistors in memory cells with access transistors, including activating an access transistor in a second memory cell, the second voltage applied to the second source line and gate terminal is greater than the first voltage applied to the first source line.
9. The method of claim 8 , further comprising applying the second voltage to one of a source terminal or a drain terminal of an MFS transistor of the second memory cell.
The method for operating a memory, including applying different voltages to source lines and gate terminals, performing read/write operations on MFS transistors via access transistors, activating an access transistor in a second memory cell, and using a second voltage greater than the first, involves applying the second voltage also to either the source or drain terminal of an MFS transistor within that second memory cell.
10. The method of claim 7 , wherein the second voltage is less than the first voltage.
In the method for operating a memory, which involves applying voltages to source lines and performing read/write operations on MFS transistors in memory cells with access transistors, including activating an access transistor in a second memory cell, the second voltage applied to the second source line and gate terminal is less than the first voltage applied to the first source line.
11. The method of claim 10 , further comprising applying the second voltage to one of a source terminal or a drain terminal of an MFS transistor of the second memory cell.
The method for operating a memory, including applying different voltages to source lines and gate terminals, performing read/write operations on MFS transistors via access transistors, activating an access transistor in a second memory cell, and using a second voltage less than the first, involves applying the second voltage also to either the source or drain terminal of an MFS transistor within that second memory cell.
12. A method, comprising: applying a first voltage to a first source line of a memory; applying a second voltage to a second source line of the memory, wherein the first and second voltages are substantially equal; applying a negative voltage to a gate terminal of a second metal-ferroelectric-semiconductor (MFS) transistor of a memory cell of the memory; turning on an access transistor of the memory cell; and performing a read operation on a first metal-ferroelectric-semiconductor (MFS) transistor of the memory cell.
A method for operating a memory involves applying a first voltage to a first source line and a second voltage to a second source line, where these two voltages are substantially equal. A negative voltage is applied to the gate of a second metal-ferroelectric-semiconductor (MFS) transistor in a memory cell. The access transistor of the memory cell is then turned on, and a read operation is performed on the first MFS transistor within that memory cell.
13. The method of claim 12 , further comprising turning on an access transistor of a second memory cell of the memory, and applying one of the first voltage or the second voltage to one of a source terminal or a drain terminal of an MFS transistor of the second memory cell.
The memory operation method which applies equal voltages to source lines, applies a negative voltage to the gate of an MFS transistor for reading, and turns on an access transistor also involves turning on an access transistor of a second, separate memory cell. Either the first or second voltage (which are substantially equal) is applied to either the source or drain terminal of an MFS transistor located in that second memory cell.
14. The method of claim 12 , further comprising: applying a third voltage to the first source line of the memory; applying a fourth voltage to the second source line of the memory; turning on the access transistor of the memory cell of the memory; and performing a write operation on the first metal-ferroelectric-semiconductor (MFS) transistor of the memory cell.
The memory operation method which applies equal voltages to source lines, applies a negative voltage to the gate of an MFS transistor for reading, and turns on an access transistor additionally involves applying a third voltage to the first source line and a fourth voltage to the second source line. Then, the access transistor of the same memory cell is turned on again, and a write operation is performed on the first metal-ferroelectric-semiconductor (MFS) transistor of the memory cell.
15. The method of claim 14 , further comprising applying the fourth voltage to the gate terminal of the second metal-ferroelectric-semiconductor (MFS) transistor of a memory cell of the memory.
The method described above, which involves applying voltages to source lines, performing read/write operations using an access transistor, including applying a third and fourth voltage to source lines and writing to a first MFS transistor, further involves applying the fourth voltage (the voltage applied to the second source line during the write operation) to the gate terminal of the second metal-ferroelectric-semiconductor (MFS) transistor within the memory cell.
16. The method of claim 15 , further comprising turning on an access transistor of a second memory cell of the memory.
The method for operating a memory by applying voltages to source lines and gate terminals, performing read/write operations on MFS transistors, writing to a first MFS transistor, and applying the fourth voltage to the gate of a second MFS transistor in the same cell, also involves turning on an access transistor of a second, distinct memory cell within the same memory array.
17. The method of claim 16 , wherein the second voltage is greater than the first voltage.
In the memory operation method that involves applying voltages, performing read/write operations on MFS transistors in memory cells via access transistors, applying voltages to source lines and MFS transistor gates, and activating an access transistor in a second memory cell, the second voltage applied to the second source line is greater than the first voltage applied to the first source line.
18. The method of claim 17 , further comprising applying the second voltage to one of a source terminal or a drain terminal of an MFS transistor of the second memory cell.
The method for operating a memory, applying voltages to source lines and gate terminals, performing read/write operations via access transistors, writing to a first MFS transistor, applying the fourth voltage to the gate of a second MFS transistor in the same cell, activating a second access transistor, and using a second voltage greater than the first also involves applying the second voltage to either the source or drain terminal of an MFS transistor within that second memory cell.
19. The method of claim 16 , wherein the second voltage is less than the first voltage.
In the memory operation method that involves applying voltages, performing read/write operations on MFS transistors in memory cells via access transistors, applying voltages to source lines and MFS transistor gates, and activating an access transistor in a second memory cell, the second voltage applied to the second source line is less than the first voltage applied to the first source line.
(0-5s) HOOK: Ever wish your phone turned on instantly, or your laptop battery lasted forever? What if memory could do both?
(5-20s) PROBLEM: Right now, your devices juggle two types of memory: super-fast RAM that forgets everything when powered off, and slower Flash storage that remembers. This constant trade-off means wasted time, power, and frustrating delays. We need something better, something that's fast and remembers!
(20-50s) SOLUTION: Enter Memories with Metal-ferroelectric-semiconductor (mfs) Transistors – a game-changing patent (US-9852785)! This innovation uses special MFS transistors that can store data non-volatility, meaning they remember even without power, and they do it fast! The patent describes a clever method: applying precise voltages to memory lines and activating an access transistor to perform super-efficient read and write operations on these MFS transistors. This isn't just an upgrade; it's a fundamental shift, enabling truly instant-on devices, incredible battery life, and persistent, high-speed data access. It's the best of both worlds, combined!
(50-60s) CALL-TO-ACTION: Ready to dive into the future of memory? Explore the full details of Memories with Metal-ferroelectric-semiconductor (mfs) Transistors and its revolutionary potential at patentable.app! Link in description!
HOOK 1 (0-3s): Ever wonder why your phone battery dies so fast, or why apps take ages to load? HOOK 2 (0-3s): What if memory could be super fast AND never forget anything, even without power? HOOK 3 (0-3s): This tech changes everything for your devices!
PROBLEM (3-15s): Traditional memory like RAM is fast but power-hungry, always forgetting. Flash memory remembers, but it's slow and wears out. It's a constant trade-off!
SOLUTION (15-45s): But guess what? A new patent, Memories with Metal-ferroelectric-semiconductor (mfs) Transistors, is here to fix that! This invention uses special MFS transistors that can store data even when the power is off, and they're super quick! Imagine instant-on devices, longer battery life, and data that's always there. It works by precisely controlling voltages to write and read data on these tiny, persistent transistors. It's like having the best of both worlds in one tiny chip!
CTA (45-60s): Want to dive deeper into this game-changing tech? Learn how Memories with Metal-ferroelectric-semiconductor (mfs) Transistors works and its massive potential! Check it out at patentable.app! Link in bio! #MemoryTech #MFS #Innovation #FutureTech #Semiconductor
HOOK 1 (0-5s): Is this the end of slow, power-hungry memory? Let's talk about Memories with Metal-ferroelectric-semiconductor (mfs) Transistors! HOOK 2 (0-5s): Prepare to have your mind blown by the next evolution in digital memory – the MFS Transistor patent!
INTRO (0-5s): Hey tech enthusiasts! Today, we're unraveling a pivotal patent: Memories with Metal-ferroelectric-semiconductor (mfs) Transistors.
CONTEXT (5-20s): For decades, our devices have struggled with memory trade-offs: fast volatile RAM that needs constant power, or slow, durable Flash. This dilemma limits everything from smartphones to AI servers, demanding a breakthrough.
INNOVATION (20-60s): This patent introduces a brilliant method for operating memory cells built with Metal-Ferroelectric-Semiconductor (MFS) transistors. The magic? MFS transistors can store data non-volatility by switching the polarization of a special ferroelectric layer. The invention precisely controls voltages on source lines and activates an access transistor to perform super-efficient read and write operations. This means data is stored persistently, without consuming power, and can be accessed rapidly. It's truly a 'universal memory' contender.
IMPACT (60-80s): The implications are enormous! Imagine instant-on laptops, AI chips that learn faster with less energy, or IoT devices with unprecedented battery life and data resilience. This technology could redefine computing architectures, making devices smarter, faster, and greener. It's a leap towards memory that doesn't forget and doesn't drain your power.
CLOSING (80-90s): Memories with Metal-ferroelectric-semiconductor (mfs) Transistors is more than just a patent; it's a blueprint for the future of digital storage. Dive into the full technical details and strategic impact. Find out more at patentable.app! Don't miss this innovation!
VISUAL HOOK 1 (0-2s): [Quick montage of fast-loading apps, long battery life, 'instant-on' devices] VISUAL HOOK 2 (0-2s): [Animation of a memory chip with data flowing, then a 'power off' symbol, then data still present]
PROBLEM (2-15s): Your devices are always juggling between fast, power-hungry memory and slow, persistent storage. It's a constant compromise!
SOLUTION (15-35s): But a game-changing patent, Memories with Metal-ferroelectric-semiconductor (mfs) Transistors, is here! ✨ This tech uses special MFS transistors that store data even when power's off, and they're lightning fast! 🚀 It's all thanks to clever voltage control that makes read and write operations incredibly efficient. Think instant boot-ups, crazy battery life, and data that never vanishes!
CTA (35-45s): This is the future of memory! 🔥 Hit the link in bio for all the details on Memories with Metal-ferroelectric-semiconductor (mfs) Transistors and how it's revolutionizing tech! #MFSMemory #NonVolatile #TechInnovation #Patent #FutureComputing
Conceptual illustration of a Metal-Ferroelectric-Semiconductor (MFS) transistor memory cell, showing voltage lines and data storage mechanism.
Flowchart and block diagram detailing the read and write operations within a memory system utilizing MFS transistors.
Abstract art representing non-volatile data storage and retrieval in a ferroelectric memory concept.
Infographic comparing MFS Transistor memory with DRAM and NAND Flash across key performance and efficiency metrics.
Social media graphic announcing 'Memories with Metal-ferroelectric-semiconductor (mfs) Transistors' with key benefits.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
May 27, 2016
December 26, 2017
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